
#ifndef _PCRE_H
#define _PCRE_H

/* When an application links to a PCRE DLL in Windows, the symbols that are
imported have to be identified as such. When building PCRE, the appropriate
export setting is defined in pcre_internal.h, which includes this file. So we
don't change existing definitions of PCRE_EXP_DECL and PCRECPP_EXP_DECL. */

#if defined(_WIN32) && !defined(PCRE_STATIC)
#ifndef PCRE_EXP_DECL
#define PCRE_EXP_DECL extern __declspec(dllimport)
#endif
#ifdef __cplusplus
#ifndef PCRECPP_EXP_DECL
#define PCRECPP_EXP_DECL extern __declspec(dllimport)
#endif
#ifndef PCRECPP_EXP_DEFN
#define PCRECPP_EXP_DEFN __declspec(dllimport)
#endif
#endif
#endif

/* By default, we use the standard "extern" declarations. */

#ifndef PCRE_EXP_DECL
#ifdef __cplusplus
#define PCRE_EXP_DECL extern "C"
#else
#define PCRE_EXP_DECL extern
#endif
#endif

#ifdef __cplusplus
#ifndef PCRECPP_EXP_DECL
#define PCRECPP_EXP_DECL extern
#endif
#ifndef PCRECPP_EXP_DEFN
#define PCRECPP_EXP_DEFN
#endif
#endif

/* Have to include stdlib.h in order to ensure that size_t is defined;
it is needed here for malloc. */

#include <stdlib.h>

#ifdef __cplusplus
extern "C" {
#endif

#define PCRE_CASELESS 0x00000001
#define PCRE_MULTILINE 0x00000002
#define PCRE_DOTALL 0x00000004
#define PCRE_EXTENDED 0x00000008
#define PCRE_ANCHORED 0x00000010
#define PCRE_DOLLAR_ENDONLY 0x00000020
#define PCRE_EXTRA 0x00000040
#define PCRE_NOTBOL 0x00000080
#define PCRE_NOTEOL 0x00000100
#define PCRE_UNGREEDY 0x00000200
#define PCRE_NOTEMPTY 0x00000400
#define PCRE_UTF8 0x00000800
#define PCRE_NO_AUTO_CAPTURE 0x00001000
#define PCRE_NO_UTF8_CHECK 0x00002000
#define PCRE_AUTO_CALLOUT 0x00004000
#define PCRE_PARTIAL 0x00008000
#define PCRE_DFA_SHORTEST 0x00010000
#define PCRE_DFA_RESTART 0x00020000
#define PCRE_FIRSTLINE 0x00040000
#define PCRE_DUPNAMES 0x00080000
#define PCRE_NEWLINE_CR 0x00100000
#define PCRE_NEWLINE_LF 0x00200000
#define PCRE_NEWLINE_CRLF 0x00300000
#define PCRE_NEWLINE_ANY 0x00400000
#define PCRE_NEWLINE_ANYCRLF 0x00500000
#define PCRE_BSR_ANYCRLF 0x00800000
#define PCRE_BSR_UNICODE 0x01000000
#define PCRE_ONLY_ASCII 0x02000000

#define PCRE_ERROR_NOMATCH (-1)
#define PCRE_ERROR_NULL (-2)
#define PCRE_ERROR_BADOPTION (-3)
#define PCRE_ERROR_BADMAGIC (-4)
#define PCRE_ERROR_UNKNOWN_OPCODE (-5)
#define PCRE_ERROR_UNKNOWN_NODE (-5)
#define PCRE_ERROR_NOMEMORY (-6)
#define PCRE_ERROR_NOSUBSTRING (-7)
#define PCRE_ERROR_MATCHLIMIT (-8)
#define PCRE_ERROR_CALLOUT (-9)
#define PCRE_ERROR_BADUTF8 (-10)
#define PCRE_ERROR_BADUTF8_OFFSET (-11)
#define PCRE_ERROR_PARTIAL (-12)
#define PCRE_ERROR_BADPARTIAL (-13)
#define PCRE_ERROR_INTERNAL (-14)
#define PCRE_ERROR_BADCOUNT (-15)
#define PCRE_ERROR_DFA_UITEM (-16)
#define PCRE_ERROR_DFA_UCOND (-17)
#define PCRE_ERROR_DFA_UMLIMIT (-18)
#define PCRE_ERROR_DFA_WSSIZE (-19)
#define PCRE_ERROR_DFA_RECURSE (-20)
#define PCRE_ERROR_RECURSIONLIMIT (-21)
#define PCRE_ERROR_NULLWSLIMIT (-22)
#define PCRE_ERROR_BADNEWLINE (-23)

#define PCRE_INFO_OPTIONS 0
#define PCRE_INFO_SIZE 1
#define PCRE_INFO_CAPTURECOUNT 2
#define PCRE_INFO_BACKREFMAX 3
#define PCRE_INFO_FIRSTBYTE 4
#define PCRE_INFO_FIRSTCHAR 4
#define PCRE_INFO_FIRSTTABLE 5
#define PCRE_INFO_LASTLITERAL 6
#define PCRE_INFO_NAMEENTRYSIZE 7
#define PCRE_INFO_NAMECOUNT 8
#define PCRE_INFO_NAMETABLE 9
#define PCRE_INFO_STUDYSIZE 10
#define PCRE_INFO_DEFAULT_TABLES 11
#define PCRE_INFO_OKPARTIAL 12
#define PCRE_INFO_JCHANGED 13
#define PCRE_INFO_HASCRORLF 14

#define PCRE_CONFIG_UTF8 0
#define PCRE_CONFIG_NEWLINE 1
#define PCRE_CONFIG_LINK_SIZE 2
#define PCRE_CONFIG_POSIX_MALLOC_THRESHOLD 3
#define PCRE_CONFIG_MATCH_LIMIT 4
#define PCRE_CONFIG_STACKRECURSE 5
#define PCRE_CONFIG_UNICODE_PROPERTIES 6
#define PCRE_CONFIG_MATCH_LIMIT_RECURSION 7
#define PCRE_CONFIG_BSR 8

#define PCRE_EXTRA_STUDY_DATA 0x0001
#define PCRE_EXTRA_MATCH_LIMIT 0x0002
#define PCRE_EXTRA_CALLOUT_DATA 0x0004
#define PCRE_EXTRA_TABLES 0x0008
#define PCRE_EXTRA_MATCH_LIMIT_RECURSION 0x0010

struct real_pcre; /* declaration; the definition is private  */
typedef struct real_pcre pcre;

#ifndef PCRE_SPTR
#define PCRE_SPTR const char*
#endif

typedef struct pcre_extra {
    unsigned long int flags;
    void* study_data;
    unsigned long int match_limit;
    void* callout_data;
    const unsigned char* tables;
    unsigned long int match_limit_recursion;
} pcre_extra;

typedef struct pcre_callout_block {
    int version;
    int callout_number;
    int* offset_vector;
    PCRE_SPTR subject;
    int subject_length;
    int start_match;
    int current_position;
    int capture_top;
    int capture_last;
    void* callout_data;
    int pattern_position;
    int next_item_length;
} pcre_callout_block;

#ifndef VPCOMPAT
PCRE_EXP_DECL void* (*pcre_malloc)(size_t);
PCRE_EXP_DECL void (*pcre_free)(void*);
PCRE_EXP_DECL void* (*pcre_stack_malloc)(size_t);
PCRE_EXP_DECL void (*pcre_stack_free)(void*);
PCRE_EXP_DECL int (*pcre_callout)(pcre_callout_block*);
#else
PCRE_EXP_DECL void* pcre_malloc(size_t);
PCRE_EXP_DECL void pcre_free(void*);
PCRE_EXP_DECL void* pcre_stack_malloc(size_t);
PCRE_EXP_DECL void pcre_stack_free(void*);
PCRE_EXP_DECL int pcre_callout(pcre_callout_block*);
#endif

pcre* pcre_compile(const char*, int, const char**, int*, const unsigned char*);
pcre* pcre_compile2(const char*,
                    int,
                    int*,
                    const char**,
                    int*,
                    const unsigned char*);
int pcre_exec(const pcre*,
              const pcre_extra*,
              PCRE_SPTR,
              int,
              int,
              int,
              int*,
              int);
int pcre_fullinfo(const pcre*, const pcre_extra*, int, void*);

#ifdef __cplusplus
}
#endif

#endif
